Answer:
So x = 20
Step-by-step explanation:
AB + BC = AC sum of a segment is sum of its pieces
AB + AB = AC B is the midpoint, so AB = BC
2x + 2x = 3x + 20 putting in for AB (twice!) and AC
4x = 3x + 20 collect like terms
x = 20 subtract 3x on both sides.
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See attachment for math work and answer.
Answer:
Divide
Step-by-step explanation:
Divide everything on both sides of the equal sign by the coefficient to get rid of it. This only works in this example.
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X= 3 to x = 4 has a greater rate of change
